推荐-centos7安装高版本python3.10
前言
如果在centos7上编译安装python3.7以上版本，ssl功能会出问题，因为python3.7以后需要更高版本的openssl支持，这样的话，就需要提前编译安装高版本的openssl，比如1.1.1系列，这里面可能涉及到一些动态库等一些不常见的操作，如果不熟悉的话，可能会给原生系统带来一定隐患；另外要使用新版本的django和sqlite的话，也会提醒需要高版本的sqlite...
为了避免一些奇奇怪怪的环境依赖问题，可以通过conda安装python高版本，避免后期小问题，也不失为一种讨巧的方法。
环境
CentOS 7.9
安装步骤
miniconda官网地址：https://docs.conda.io/en/latest/miniconda.html
1. 下载安装脚本
wget https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh
2. 运行脚本
sh Miniconda3-latest-Linux-x86_64.sh
根据提醒操作即可，如下所示：
[root@server-world ~]# sh Miniconda3-latest-Linux-x86_64.sh Welcome to Miniconda3 py310_22.11.1-1 In order to continue the installation process, please review the license agreement. Please, press ENTER to continue >>> ====================================== End User License Agreement - Miniconda ====================================== Copyright 2015-2022, Anaconda, Inc. All rights reserved under the 3-clause BSD License: This End User License Agreement (the "Agreement") is a legal agreement between you and Anaconda, Inc. ("Anaconda") and governs your use of Miniconda. 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[yes|no] [no] >>> yes Miniconda3 will now be installed into this location: /root/miniconda3 - Press ENTER to confirm the location - Press CTRL-C to abort the installation - Or specify a different location below [/root/miniconda3] >>> /usr/local/miniconda3 PREFIX=/usr/local/miniconda3 Unpacking payload ... Installing base environment... Downloading and Extracting Packages Downloading and Extracting Packages Preparing transaction: done Executing transaction: done installation finished. Do you wish the installer to initialize Miniconda3 by running conda init? [yes|no] [no] >>> no You have chosen to not have conda modify your shell scripts at all. To activate conda's base environment in your current shell session: eval "$(/usr/local/miniconda3/bin/conda shell.YOUR_SHELL_NAME hook)" To install conda's shell functions for easier access, first activate, then: conda init If you'd prefer that conda's base environment not be activated on startup, set the auto_activate_base parameter to false: conda config --set auto_activate_base false Thank you for installing Miniconda3!
3. 进入虚拟环境
source /usr/local/miniconda3/bin/activate
(base) [root@server-world ~]# python -V Python 3.10.8 (base) [root@server-world ~]# python3 -V Python 3.10.8 (base) [root@server-world ~]# pip3 -V pip 22.3.1 from /usr/local/miniconda3/lib/python3.10/site-packages/pip (python 3.10) (base) [root@server-world ~]# sqlite3 -version 3.40.0 2022-11-16 12:10:08 89c459e766ea7e9165d0beeb124708b955a4950d0f4792f457465d71b158d318 (base) [root@server-world ~]# python3 Python 3.10.8 (main, Nov 24 2022, 14:13:03) [GCC 11.2.0] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import ssl >>> ssl.OPENSSL_VERSION 'OpenSSL 1.1.1s 1 Nov 2022' >>>
从以上看得出，miniconda已经自动帮我们安装好了高版本的openssl和sqlite3
4. 退出虚拟环境
conda deactivate
